单项选择题

The change-over of roles in the family probably shows that ______.

A．it is now a usual practice in modern life
B．it is a departure from the traditional notion that men and women are equal
C．men have the capacity for household affairs
D．women are not necessarily inferior to men
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单项选择题
The word problem in the fourth paragraph refers to the fact that ______.
A．CT scans are one of the biggest bandwidth consumers
B．there are not enough mobile phones for distributing medical intelligence
C．communications satellites can only cope with the short-term needs during disasters
D．bandwidth is not adequate to transmit complex medical images around the world
单项选择题
All the following statements are true EXCEPT that ______.
A．flood is not among the disasters mentioned in the passage
B．it is now feasible to transmit a patient's vital signs over telephone
C．telemedicine is being used by many medical teams as a tool for disaster response
D．the trend in applying telemedicine is toward providing global access to medical data
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